Question

which is/are intrusive igneous rocks?
○ granite, granodiorite, diorite, gabbro
○ granite, granodiorite, andesite, basalt
○ obsidian, rhyolite, dacite, andesite, basalt
○ rhyolite, dacite, andesite, gabbro

Explanation:

Intrusive igneous rocks form when magma cools slowly beneath the Earth's surface. From the provided options and the rock - type chart, granite, granodiorite, diorite, and gabbro are listed as intrusive igneous rocks. The other options contain extrusive igneous rocks which form when lava cools on the Earth's surface.

Answer:

granite, granodiorite, diorite, gabbro